Michael Leboff is a long-suffering Islanders fan, but a long-profiting sports bettor with 10 years of experience in the gambling industry. He loves using game theory to help punters win bracket pools, find long shots, and learn how to beat the market in mainstream and niche sports.

Learn how to sign up with the latest March Madness betting promos on BetMGM, DraftKings, FanDuel and other sportsbook apps.

Refer A Friend: Invite up to five friends using your sign-up link. Your friend must sign up and bet $20+. Once the wager settles, you’ll both get $80 in FanCash. You can do this with five friends for $400 in referral bonuses.

Fanatics also has daily odds boosts and arguably the best rewards program around. Bettors earn FanCash with every wager, which can be converted into bonus bets at the sportsbook and used on March Madness games. It can also be used as site credit at Fanatics’ retail website, where you can buy merchandise of your favorite teams and players.

Refer A Friend: Invite up to five friends using your sign-up link. Your friend must sign up and bet $20+. Once the wager settles, you’ll both get $80 in FanCash. You can do this with five friends for $400 in referral bonuses.

The 2025 March Madness Buzzer Beater T-Shirt similarly retails for $34.99 and features the logos of all 68 teams competing on the back and “The road to the Final Four” written on the front. Both shirts are offered in a long sleeve option for $39.99.

Activate this Fanatics Sportsbook promo in time for March Madness and secure a $300 guaranteed bonus or 10 straight days of $100 no sweat bets.

Get started with this Fanatics Sportsbook promo and secure a $300 March Madness bonus or 10 days of $100 no sweat bets.